<template>
    <div>
         <!-- 面包屑导航条位置 -->
        <el-breadcrumb separator-class="el-icon-arrow-right">
            <el-breadcrumb-item :to="{ path: '/welcome' }">首页</el-breadcrumb-item>
            <el-breadcrumb-item>商品管理</el-breadcrumb-item>
            <el-breadcrumb-item>商品列表</el-breadcrumb-item>
        </el-breadcrumb>

        <!-- 卡片内容区域 -->
        <el-card class="box-card" >
            <!-- 搜索添加商品区域   -->
            <el-row :gutter="20">
                <el-col :span="10">   
                    <el-input placeholder="请输入内容" v-model="queryInfo.query" class="input-with-select" @clear="getShopList" clearable>
                        <el-button slot="append" icon="el-icon-search" @click="getShopList"></el-button>
                    </el-input>
                </el-col>
                <el-col :span="7">
                    <el-button type="primary" @click="goAddPage" >添加商品</el-button>
                </el-col>
            </el-row>

            <!-- 商品列表区域 -->
            <el-table :data="ShopsList" border stripe>
                <el-table-column type="index"></el-table-column>
                <el-table-column label="商品名称" prop="goods_name"></el-table-column>
                <el-table-column label="商品价格(元)" prop="goods_price" width="100px"></el-table-column>
                <el-table-column label="商品重量" prop="goods_weight" width="100px"></el-table-column>
                <el-table-column label="创建时间" prop="add_time" width="140px">
                    <template slot-scope="scope">
                        {{scope.row.add_time | dateFormat}}
                    </template>
                </el-table-column>
                <el-table-column label="操作" width="140px">
                    <template slot-scope="scope">
                    <el-button type="primary" icon="el-icon-edit" size="mini" @click="modifyShop(scope.row.goods_id
)"></el-button>
                    <el-button type="danger" icon="el-icon-delete" size="mini" @click="removeShopById(scope.row.goods_id
)"></el-button>
                    </template>
                </el-table-column>
            </el-table>

                        <!-- //分页区域 -->
            <div class="block">
                <el-pagination
                @size-change="handleSizeChange"
                @current-change="handleCurrentChange"
                :current-page="queryInfo.pagenum"
                :page-sizes="[10, 20, 50, 100]"
                :page-size="queryInfo.pagesize"
                layout="total, sizes, prev, pager, next, jumper"
                :total="parseInt(total)">
                </el-pagination>
            </div>
        </el-card>
    </div>
</template>

<script>
export default {
    data() {
        return {
            //获取商品列表的参数对象
            queryInfo: {
                query: '',
                //当前的页数
                pagenum: 1,
                //当前每页显示多少条数据
                pagesize: 10
            },
            //商品列表信息
            ShopsList: [],
            //总数据条数
            total: '',
        };
    },

    created () {
        this.getShopList()
    },

    methods: {
        //监听pagesize改变的事件
        handleSizeChange (newSize) {
            this.queryInfo.pagesize = newSize
            this.getShopList()
        },
        //监听页码改变的事件
        handleCurrentChange (newPage) {
            this.queryInfo.pagenum = newPage
            this.getShopList()
        },
        async getShopList () {
          const {data: res} = await this.$http.get('goods',{params: this.queryInfo})
          if(res.meta.status !== 200) return this.$message.error('获取商品数据失败')
            this.ShopsList = res.data.goods            
            this.total = res.data.total
        },
        //跳转到添加商品页面
        goAddPage () {
            this.$router.push('/goods/add')
        },
        //编辑商品
        modifyShop (id) {

        },
        //删除商品
        async removeShopById (id) {
            const confirmResult = await this.$confirm('此操作将永久删除该角色, 是否继续?', '提示', {
                confirmButtonText: '确定',
                cancelButtonText: '取消',
                type: 'warning'
            }).catch(err => err)//.catch()捕获错误信息并返回

            if(confirmResult !== 'confirm'){
                return this.$message.info('已经取消了删除')
            }
            //确定删除操作
            const {data: res} = await this.$http.delete('goods/'+ id)   
            if(res.meta.status !== 200) return this.$message.error('删除角色失败') 
            this.$message.success('成功删除角色')
            this.getShopList()
        }
    },
};
</script>

<style scoped lang="scss">

</style>
